Finding the Fourth Proportional to 23,379.71, 32,266.76 and 13,170.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,379.71 : 32,266.76 = 13,170.83 : x
2. Step 2: Convert to fraction form
   23,379.71/32,266.76 = 13,170.83/x
3. Step 3: Cross multiply
   23,379.71x = 32,266.76 × 13,170.83
4. Step 4: Simplify right side
   23,379.71x = 424,979,874.17
5. Step 5: Solve for x
   x = 424,979,874.17/23,379.71
6. Step 6: Final answer
   x = 18,177.29